Omron NX-Series RFID Units Owner's manual

RFID Units

User’s Manual

Machine Automation Controller

NX-series

RFID Units

NX-V680C

Z401I-E3-01

any form, or by any means, mechanical, electronic, photocopying, recording, or otherwise, without the prior

written permission of OMRON.

No patent liability is assumed with respect to the use of the information contained herein. Moreover, because

OMRON is constantly striving to improve its high-quality products, the information contained in this manual is

subject to change without notice. Every precaution has been taken in the preparation of this manual. Neverthe-

less, OMRON assumes no responsibility for errors or omissions. Neither is any liability assumed for damages

resulting from the use of the information contained in this publication.

• Sysmac and SYSMAC are trademarks or registered trademarks of OMRON Corporation in Japan and other

countries for OMRON factory automation products.

• Microsoft, Windows, Windows Vista, Excel, and Visual Basic are either registered trademarks or trademarks of

Microsoft Corporation in the United States and other countries.

• EtherCAT® is registered trademark and patented technology, licensed by Beckhoff Automation GmbH, Germany.

• Safety over EtherCAT® is registered trademark and patented technology, licensed by Beckhoff Automation GmbH,

Germany.

• ODVA, CIP, CompoNet, DeviceNet, and EtherNet/IP are trademarks of ODVA.

• The SD and SDHC logos are trademarks of SD-3C, LLC.

Other company names and product names in this document are the trademarks or registered trademarks of their

respective companies.

Trademarks

Copyrights

NOTE

Microsoft product screen shots reprinted with permission from Microsoft Corporation.

1

Introduction

NX-series RFID Units User’s Manual (Z401)

Introduction

Thank you for purchasing an NX-V680C RFID Unit. This manual contains information that is neces-

sary to use the NX-series RFID Unit. Please read this manual and make sure you understand the func-

tionality and performance of the NX-series RFID Unit before you attempt to use it in a control system.

Keep this manual in a safe place where it will be available for reference during operation.

This manual covers the following product. This manual is intended for the following personnel, who

must also have knowledge of electrical systems (an electrical engineer or the equivalent).

• Personnel in charge of introducing FA systems.

• Personnel in charge of designing FA systems.

• Personnel in charge of installing and maintaining FA systems.

• Personnel in charge of managing FA systems and facilities.

For programming, this manual is intended for personnel who understand the programming language

specifications in international standard IEC 61131-3 or Japanese standard JIS B 3503.

This manual covers the following product.

• NX-series RFID Unit

NX-V680C

Intended Audience

Applicable Products

CONTENTS

2NX-series RFID Units User’s Manual (Z401)

CONTENTS

Introduction ..............................................................................................................1

Intended Audience....................................................................................................................................... 1

Applicable Products..................................................................................................................................... 1

CONTENTS................................................................................................................2

Relevant Manuals .....................................................................................................7

Manual Structure ......................................................................................................8

Page Structure and Icons ............................................................................................................................ 8

Special Information...................................................................................................................................... 9

Precaution on Terminology .......................................................................................................................... 9

Terms and Conditions Agreement ........................................................................12

Warranty, Limitations of Liability ................................................................................................................ 12

Application Considerations ........................................................................................................................ 13

Disclaimers ................................................................................................................................................ 13

Safety Precautions .................................................................................................15

Precautions for Safe Use....................................................................................... 19

Precautions for Correct Use..................................................................................23

Regulations and Standards...................................................................................24

Conformance to EU Directives .................................................................................................................. 24

Conformance to UL and CSA Standards ................................................................................................... 25

Conformance to KC Standards.................................................................................................................. 25

Unit version.............................................................................................................26

Unit Versions.............................................................................................................................................. 26

Unit Versions and Support Software Versions ........................................................................................... 27

Related Manuals .....................................................................................................28

Terminology ............................................................................................................ 32

Revision History .....................................................................................................35

Sections in this Manual .........................................................................................37

Section 1 Features and System Configuration

1-1 Features of the RFID Units ...................................................................................................1-2

1-2 System Configuration ........................................................................................................... 1-3

1-2-1 System Configuration in the Case of a CPU Unit........................................................................ 1-3

1-2-2 System Configuration of Slave Terminals ...................................................................................1-4

1-2-3 System Configuration of an RFID Unit........................................................................................ 1-6

1-3 Unit Models, Functions and Support Software................................................................... 1-8

1-3-1 Unit Models ................................................................................................................................. 1-8

1-3-2 Functions..................................................................................................................................... 1-9

1-3-3 Support Software ...................................................................................................................... 1-10

3

CONTENTS

NX-series RFID Units User’s Manual (Z401)

Section 2 Specifications and Application Procedures

2-1 Specifications ........................................................................................................................ 2-2

2-1-1 General Specifications................................................................................................................ 2-2

2-1-2 Individual Specifications ............................................................................................................. 2-2

2-2 Procedure............................................................................................................................... 2-3

2-2-1 Overall Procedure....................................................................................................................... 2-3

Section 3 Part Names and Functions

3-1 Parts and Names ................................................................................................................... 3-2

3-1-1 Part Names and Function List .................................................................................................... 3-2

3-1-2 Indicators .................................................................................................................................... 3-3

3-1-3 Operation Part ............................................................................................................................ 3-4

Section 4 Installation and Wiring

4-1 Mounting NX Units ................................................................................................................ 4-2

4-1-1 Mounting NX Units...................................................................................................................... 4-2

4-1-2 Attaching Markers....................................................................................................................... 4-4

4-1-3 Removing NX Units .................................................................................................................... 4-5

4-1-4 Installation Orientation ................................................................................................................ 4-7

4-2 Power Supply Types and Wiring .......................................................................................... 4-8

4-2-1 Applications of I/O Power Supply and Supply Methods.............................................................. 4-8

4-2-2 Calculating the Total Current Consumption from I/O Power Supply ........................................... 4-9

4-3 Wiring the FG Terminal .......................................................................................................4-10

4-3-1 Wires Applicable to the FG Terminal......................................................................................... 4-10

4-3-2 Connecting/Removing Wires .................................................................................................... 4-12

4-4 Wiring the Amplifier/Antenna ............................................................................................. 4-17

4-4-1 Method of Attaching the Amplifier/Antenna Cable .................................................................... 4-17

4-4-2 Method of Removing the Amplifier/Antenna Cable ................................................................... 4-18

4-5 Wiring in Consideration of Safety and Noise Countermeasures .................................... 4-19

4-5-1 Routing the Amplifier/Antenna Cable........................................................................................4-19

4-5-2 Implementing Noise Measures for the External Wiring............................................................. 4-19

Section 5 I/O Refreshing

5-1 Exchange of Data between the CPU Unit or Industrial PC, and the RFID Unit ................ 5-2

5-2 I/O Refreshing ........................................................................................................................ 5-4

5-2-1 I/O Refreshing from the CPU Unit to NX Units ........................................................................... 5-4

5-2-2 I/O Refreshing from the CPU Unit or Industrial PC to Slave Terminals ...................................... 5-5

5-2-3 Calculating the NX Unit I/O Response Times ............................................................................. 5-6

5-3 I/O Refreshing Methods ........................................................................................................ 5-7

5-3-1 I/O Refreshing Methods.............................................................................................................. 5-7

5-3-2 Setting the I/O Refreshing Methods............................................................................................ 5-7

5-3-3 Operation of Free-Run Refreshing ............................................................................................. 5-8

Section 6 I/O Data Specifications

6-1 Allocatable I/O Data............................................................................................................... 6-2

6-1-1 NX-V680C1................................................................................................................................. 6-2

6-1-2 NX-V680C2................................................................................................................................. 6-4

6-2 Details of I/O Data.................................................................................................................. 6-6

CONTENTS

4NX-series RFID Units User’s Manual (Z401)

6-2-1 Status.......................................................................................................................................... 6-6

6-2-2 Refresh Count ............................................................................................................................. 6-7

6-2-3 Response Codes......................................................................................................................... 6-7

6-2-4 Measurement Result................................................................................................................... 6-8

6-2-5 Input SID ..................................................................................................................................... 6-8

6-2-6 Output SID Response ................................................................................................................. 6-8

6-2-7 Input Data.................................................................................................................................... 6-9

6-2-8 UID.............................................................................................................................................. 6-9

6-2-9 RF Communications Time........................................................................................................... 6-9

6-2-10 Noise Level ............................................................................................................................... 6-10

6-2-11 Operation Command................................................................................................................. 6-10

6-2-12 RF Communications Option...................................................................................................... 6-10

6-2-13 Command Code........................................................................................................................ 6-11

6-2-14 Memory Address ....................................................................................................................... 6-11

6-2-15 Data Size................................................................................................................................... 6-11

6-2-16 Refresh Count Response.......................................................................................................... 6-12

6-2-17 Output SID ................................................................................................................................ 6-12

6-2-18 Input SID Response.................................................................................................................. 6-12

6-2-19 Output Data............................................................................................................................... 6-13

6-2-20 Select UID................................................................................................................................. 6-13

Section 7 Setting RFID Units

7-1 Settings of the RFID Unit ...................................................................................................... 7-2

7-2 Unit Operation Settings ........................................................................................................ 7-3

7-2-1 Event Level Setting ..................................................................................................................... 7-3

7-2-2 Test Switch.................................................................................................................................. 7-3

7-2-3 RF Tag Memory Map................................................................................................................... 7-3

7-2-4 Data Storage Order..................................................................................................................... 7-4

7-2-5 RF Communications Speed ........................................................................................................ 7-6

7-2-6 Write Verify.................................................................................................................................. 7-6

7-2-7 RF Communications Timeout...................................................................................................... 7-6

7-2-8 Write Protect ............................................................................................................................... 7-6

7-3 Setting the Divided Data Size ............................................................................................... 7-7

Section 8 Functions of the RFID Units

8-1 Operation Modes ................................................................................................................... 8-3

8-1-1 Normal Mode............................................................................................................................... 8-3

8-1-2 Test Mode.................................................................................................................................... 8-4

8-2 RF Communications Option Function................................................................................. 8-5

8-2-1 Types of the RF Communications Option Function..................................................................... 8-5

8-2-2 Trigger......................................................................................................................................... 8-6

8-2-3 Auto............................................................................................................................................. 8-7

8-2-4 Repeat......................................................................................................................................... 8-8

8-2-5 FIFO Trigger................................................................................................................................ 8-9

8-2-6 FIFO Repeat ............................................................................................................................. 8-10

8-2-7 Multi Trigger .............................................................................................................................. 8-11

8-2-8 Multi Repeat .............................................................................................................................. 8-12

8-2-9 Selective.................................................................................................................................... 8-13

8-3 Communications Command Function............................................................................... 8-14

8-3-1 Communications Commands ....................................................................................................8-14

8-3-2 Memory Read Commands ........................................................................................................ 8-15

8-3-3 Memory Write Commands ........................................................................................................ 8-22

8-3-4 Memory Initialization Commands .............................................................................................. 8-27

8-3-5 Memory Copy Command .......................................................................................................... 8-29

8-3-6 Bit Operation Commands.......................................................................................................... 8-30

8-3-7 Data Calculation Commands .................................................................................................... 8-33

8-3-8 Memory Life Management Commands..................................................................................... 8-36

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CONTENTS

NX-series RFID Units User’s Manual (Z401)

8-3-9 Data Restoration Command ..................................................................................................... 8-38

8-3-10 Combining with the RF Communications Options .................................................................... 8-39

8-3-11 Error Code Details .................................................................................................................... 8-40

8-4 Write Protection Function................................................................................................... 8-41

8-4-1 Standard Write Protection......................................................................................................... 8-41

8-4-2 V600 Method Write Protection.................................................................................................. 8-44

8-5 RF Tag Service Life Detection Function............................................................................ 8-49

8-5-1 Rewrite Count Addition Method ................................................................................................ 8-49

8-5-2 Rewrite Count Subtraction Method...........................................................................................8-52

8-6 RF Tag Memory Error Detection Function ........................................................................ 8-54

8-7 RF Tag Memory Error Correction Function....................................................................... 8-55

8-8 Test Command Function..................................................................................................... 8-56

8-8-1 Test Commands........................................................................................................................ 8-56

8-8-2 MEASURE COMMUNICATIONS DISTANCE LEVEL............................................................... 8-57

8-8-3 MEASURE COMMUNICATIONS SUCCESS RATE................................................................. 8-58

8-8-4 MEASURE TRAVELING READING ......................................................................................... 8-59

8-8-5 MEASURE TRAVELING WRITING .......................................................................................... 8-60

8-8-6 MEASURE NOISE LEVEL........................................................................................................8-61

8-8-7 Notification of Test Results by the Amplifier Indicator ............................................................... 8-62

Section 9 Troubleshooting

9-1 How to Check for Errors ....................................................................................................... 9-2

9-2 Checking for Errors with the Indicators .............................................................................. 9-3

9-3 Troubleshooting with Support Software ............................................................................. 9-4

9-3-1 Checking for Errors from the Sysmac Studio.............................................................................. 9-4

9-3-2 Checking for Errors from Support Software Other Than the Sysmac Studio.............................. 9-5

9-3-3 Error Table .................................................................................................................................. 9-5

9-3-4 Error Descriptions......................................................................................................................9-11

9-3-5 Resetting Errors........................................................................................................................ 9-31

9-3-6 Troubleshooting Flowcharts...................................................................................................... 9-31

Section 10 Maintenance and inspection

10-1 Cleaning and Maintenance ................................................................................................. 10-2

10-1-1 Cleaning.................................................................................................................................... 10-2

10-1-2 Periodic Inspections.................................................................................................................. 10-2

10-2 Maintenance Procedures .................................................................................................... 10-4

Appendices

A-1 Datasheet ...............................................................................................................................A-2

A-1-1 Model List ................................................................................................................................... A-2

A-1-2 Detailed Specifications ............................................................................................................... A-2

A-2 Dimensions ............................................................................................................................A-6

A-3 RF Tag Communications Performance ...............................................................................A-8

A-3-1 RF Communications Time (for Reference Only)......................................................................... A-8

A-3-2 Method of Calculating the RF Tag Speed (for Reference Only) ............................................... A-11

A-3-3 Method of Calculating the Response Time of a Communications Command........................... A-12

A-4 NX Objects ...........................................................................................................................A-13

A-4-1 Format of NX Object Descriptions ............................................................................................ A-13

A-4-2 Unit Information Objects ........................................................................................................... A-14

A-4-3 Objects That Accept I/O Allocations.......................................................................................... A-15

A-4-4 Other Objects............................................................................................................................ A-21

CONTENTS

6NX-series RFID Units User’s Manual (Z401)

A-5 Sample Programming .........................................................................................................A-25

A-5-1 Items Common to Each Program..............................................................................................A-25

A-5-2 Reading the Data of an RF Tag (Without Division Transfer) .....................................................A-27

A-5-3 Writing Data to an RF Tag (Without Division Transfer) .............................................................A-32

A-5-4 Reading the Data of an RF Tag (With Division Transfer) ..........................................................A-37

A-5-5 Writing Data to an RF Tag (With Division Transfer) ..................................................................A-42

A-6 Version Information with CPU Units ..................................................................................A-47

A-6-1 Relationship between Unit Versions of Units ............................................................................A-47

A-7 Version Information with Communications Coupler Units..............................................A-48

A-7-1 Connection to the EtherCAT Coupler Unit ................................................................................A-48

A-7-2 Connection to the EtherNet/IP Coupler Unit .............................................................................A-48

Index

7

Relevant Manuals

NX-series RFID Units User’s Manual (Z401)

Relevant Manuals

The table below provides the relevant manuals for the NX-series RFID Units. Read all of the manuals

that are relevant to your system configuration and application to make the most of the NX-series RFID

Units. Other manuals, such as related product manuals, are necessary for specific system configura-

tions and applications.

Refer to Related Manuals on page 28 for the related manuals.

Manual name Application

NX-series RFID Units

User’s Manual

Learning how to use NX-series RFID Units.

NX-series

Data Reference Manual

Referencing lists of the data that is required to configure systems with

NX-series Units

Manual Structure

8NX-series RFID Units User’s Manual (Z401)

Manual Structure

The following page structure and icons are used in this manual.

Page Structure and Icons

4-9

4 Installation and Wiring

NJ-series CPU Unit Hardware User’s Manual (W500)

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U

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3-4

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3-

4

4-3 Mounting Units

The Units that make up an NJ-series Controller can be connected simply by pressing the Units together

and locking the sliders by moving them toward the back of the Units. The End Cover is connected in the

same way to the Unit on the far right side of the Controller.

1Join the Units so that the connectors fit exactly.

2The yellow sliders at the top and bottom of each Unit lock the Units together. Move the sliders

toward the back of the Units as shown below until they click into place.

Precautions for Correct UsePrecautions for Correct Use

4-3-1 Connecting Controller Components

Connector

Hook Hook holes

Slider

Lock

Release

Move the sliders toward the back

until they lock into place.

Level 1 heading

Level 2 heading

Level 3 heading

Level 2 heading

A step in a procedure

Manual name

Special information

Level 3 heading

Page tab

Gives the current

headings.

Indicates a procedure.

Icons indicate

precautions, additional

information, or reference

information.

Gives the number

of the main section.

Note: This illustration is provided only as a sample. It may not literally appear in this manual.

The sliders on the tops and bottoms of the Power Supply Unit, CPU Unit, I/O Units, Special I/O

Units, and CPU Bus Units must be completely locked (until they click into place) after connecting

the adjacent Unit connectors.

9

Manual Structure

NX-series RFID Units User’s Manual (Z401)

Special information in this manual is classified as follows:

Precautions for Safe Use

Precautions on what to do and what not to do to ensure safe usage of the product.

Precautions for Correct Use

Precautions on what to do and what not to do to ensure proper operation and performance.

Additional Information

Additional information to read as required.

This information is provided to increase understanding or make operation easier.

Version Information

Information on differences in specifications and functionality for CPU Units, Industrial PCs, and

Communications Coupler Units with different unit versions and for different versions of the Sup-

port Software is given.

Note

References are provided to more detailed or related information.

• In this manual, “download” refers to transferring data from the Support Software to a physical device

and “upload” refers to transferring data from a physical device to the Support Software.

• In this manual, the directions in relation to the Units are given in the following figure, which shows

upright installation.

Special Information

Precaution on Terminology

RightLeft

Up

Down

Manual Structure

10 NX-series RFID Units User’s Manual (Z401)

• This user's manual refers to NY-series IPC Machine Controller Industrial Panel PCs and Industrial

Box PCs as simply Industrial PCs or as NY-series Industrial PCs.

• This user's manual refers to the built-in EtherCAT port on an NJ/NX-series Controller or NY-series

Industrial PC as simply a built-in EtherCAT port.

• This user's manual may omit manual names and manual numbers in places that refer to the user's

manuals for CPU Units and Industrial PCs. The following table gives some examples. Related Manu-

als on page 28When necessary, refer to determine the appropriate manual based on the common

text for the omitted contents.

Examples

• This user’s manual may omit manual names and manual numbers in places that refer to the user’s

manuals for Communications Coupler Units. If you will use a Communications Coupler Unit, refer to

Related Manuals on page 28 to identify the manual for your Unit.

• This user's manual omits the "x" sign for units displayed in decimals. For example, “x0.1°C” is

described as “0.1°C”.

Manual name Omitted contents Common text

NJ/NX-series CPU Unit

Software User's Manual

Software user's manual for the

connected CPU Unit or Indus-

trial PC

Software User's

Manual

NY-series IPC Machine Controller

Industrial Panel PC / Industrial Box PC

Software User’s Manual

NJ/NX-series CPU Unit

Built-in EtherCAT Port User's Manual

User's manual for the built-in

EtherCAT port on the con-

nected CPU Unit or Industrial

PC

Built-in EtherCAT

port

NY-series Controller

Industrial Panel PC / Industrial Box PC

Built-in EtherCAT Port User’s Manual

11

Manual Structure

NX-series RFID Units User’s Manual (Z401)

Terms and Conditions Agreement

12 NX-series RFID Units User’s Manual (Z401)

Terms and Conditions Agreement

Exclusive Warranty

Omron’s exclusive warranty is that the Products will be free from defects in materials and workman-

ship for a period of twelve months from the date of sale by Omron (or such other period expressed in

writing by Omron). Omron disclaims all other warranties, express or implied.

Limitations

OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT

NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF

THE PRODUCTS. BUYER ACKNOWLEDGES THAT IT ALONE HAS DETERMINED THAT THE

PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE.

Omron further disclaims all warranties and responsibility of any type for claims or expenses based

on infringement by the Products or otherwise of any intellectual property right.

Buyer Remedy

Omron’s sole obligation hereunder shall be, at Omron’s election, to (i) replace (in the form originally

shipped with Buyer responsible for labor charges for removal or replacement thereof) the non-com-

plying Product, (ii) repair the non-complying Product, or (iii) repay or credit Buyer an amount equal

to the purchase price of the non-complying Product; provided that in no event shall Omron be

responsible for warranty, repair, indemnity or any other claims or expenses regarding the Products

unless Omron’s analysis confirms that the Products were properly handled, stored, installed and

maintained and not subject to contamination, abuse, misuse or inappropriate modification. Return of

any Products by Buyer must be approved in writing by Omron before shipment. Omron Companies

shall not be liable for the suitability or unsuitability or the results from the use of Products in combi-

nation with any electrical or electronic components, circuits, system assemblies or any other materi-

als or substances or environments. Any advice, recommendations or information given orally or in

writing, are not to be construed as an amendment or addition to the above warranty.

See http://www.omron.com/global/ or contact your Omron representative for published information.

OMRON COMPANIES SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL, OR CON-

SEQUENTIAL DAMAGES, LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY

WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED IN CONTRACT,

WARRANTY, NEGLIGENCE OR STRICT LIABILITY.

Further, in no event shall liability of Omron Companies exceed the individual price of the Product on

which liability is asserted.

Warranty, Limitations of Liability

Warranties

Limitation on Liability; Etc

13

Terms and Conditions Agreement

NX-series RFID Units User’s Manual (Z401)

Omron Companies shall not be responsible for conformity with any standards, codes or regulations

which apply to the combination of the Product in the Buyer’s application or use of the Product. At

Buyer’s request, Omron will provide applicable third party certification documents identifying ratings

and limitations of use which apply to the Product. This information by itself is not sufficient for a com-

plete determination of the suitability of the Product in combination with the end product, machine, sys-

tem, or other application or use. Buyer shall be solely responsible for determining appropriateness of

the particular Product with respect to Buyer’s application, product or system. Buyer shall take applica-

tion responsibility in all cases.

NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR

PROPERTY OR IN LARGE QUANTITIES WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE

HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON PRODUCT(S) IS

PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIP-

MENT OR SYSTEM.

Omron Companies shall not be responsible for the user’s programming of a programmable Product, or

any consequence thereof.

Data presented in Omron Company websites, catalogs and other materials is provided as a guide for

the user in determining suitability and does not constitute a warranty. It may represent the result of

Omron’s test conditions, and the user must correlate it to actual application requirements. Actual perfor-

mance is subject to the Omron’s Warranty and Limitations of Liability.

Product specifications and accessories may be changed at any time based on improvements and other

reasons. It is our practice to change part numbers when published ratings or features are changed, or

when significant construction changes are made. However, some specifications of the Product may be

changed without any notice. When in doubt, special part numbers may be assigned to fix or establish

key specifications for your application. Please consult with your Omron’s representative at any time to

confirm actual specifications of purchased Product.

Information presented by Omron Companies has been checked and is believed to be accurate; how-

ever, no responsibility is assumed for clerical, typographical or proofreading errors or omissions.

Application Considerations

Suitability of Use

Programmable Products

Disclaimers

Performance Data

Change in Specifications

Errors and Omissions

Terms and Conditions Agreement

14 NX-series RFID Units User’s Manual (Z401)

15

Safety Precautions

NX-series RFID Units User’s Manual (Z401)

Safety Precautions

The following notation is used in this manual to provide precautions required to ensure safe usage of

the NX-series RFID Units.

The safety precautions that are provided are extremely important to safety. Always read and heed the

information provided in all safety precautions.

The following notation is used.

Definition of Precautionary Information

Symbols

The circle and slash symbol indicates operations that you must not do.

The specific operation is shown in the circle and explained in text.

This example indicates prohibiting disassembly.

The triangle symbol indicates precautions (including warnings).

The specific operation is shown in the triangle and explained in text.

This example indicates a precaution for electric shock.

The triangle symbol indicates precautions (including warnings).

The specific operation is shown in the triangle and explained in text.

This example indicates a general precaution.

The filled circle symbol indicates operations that you must do.

The specific operation is shown in the circle and explained in text.

This example shows a general precaution for something that you must

do.

WARNING

Caution

Indicates a potentially hazardous situation which, if not avoided,

could result in death or serious injury. Additionally, there may be

severe property damage.

Indicates a potentially hazardous situation which, if not avoided,

may result in minor or moderate injury, or property damage.

Safety Precautions

16 NX-series RFID Units User’s Manual (Z401)

Warnings

During Power Supply

Do not touch the terminal section while power is ON.

Electrical shock may occur.

Do not disassemble any of the Unit.

Particularly the Power Supply Units contain parts with high voltages when power is ON or

immediately after power is turned OFF. Electrical shock may occur. There are sharp parts

inside the Unit that may cause injury.

Fail-safe Measures

Provide safety measures in external circuits to ensure safety in the system if an abnormality

occurs due to malfunction of the CPU Unit, Industrial PC, other Units, or slaves or due to

other external factors affecting operation.

Not doing so may result in serious accidents due to incorrect peration.

Emergency stop circuits, interlock circuits, limit circuits, and similar safety measures must

be provided in external control circuits.

The CPU Unit or Industrial PCs will turn OFF all outputs from Output Units in the following

cases. The remote I/O slaves will operate according to the settings in the slaves.

• If an error occurs in the power supply.

• If the power supply connection becomes faulty.

• If a CPU watchdog timer error or CPU reset occurs.

• If a Controller error in the major fault level occurs.

• While the CPU Unit is on standby until RUN mode is entered after the power is turned ON

External safety measures must be provided to ensure safe operation of the system in such

cases.

The outputs may remain ON or OFF due to deposition or burning of the output relays or

destruction of the output transistors. As a countermeasure for such problems, external

safety measures must be provided to ensure safe operation of the system.

If external power supplies for slaves or other devices are overloaded or short-circuited, the

voltage will drop, outputs will turn OFF, and the system may be unable to read inputs. Pro-

vide external safety measures in control with monitoring of external power supply voltage

as required so that the system operates safely in such a case.

You must take fail-safe measures to ensure safety in the event of incorrect, missing, or

abnormal signals caused by broken signal lines, momentary power interruptions, or other

causes.

Not doing so may result in serious accidents due to incorrect operation.

WARNING

17

Safety Precautions

NX-series RFID Units User’s Manual (Z401)

Voltage and Current Inputs

Make sure that the voltages and currents that are input to the Units and slaves are within

the specified ranges.

Inputting voltages or currents that are outside of the specified ranges may cause accidents

or fire.

Transferring

Always confirm safety at the destination node before you transfer Unit configuration infor-

mation, parameters, settings, or other data from tools such as the Sysmac Studio.

The devices or machines may operate unexpectedly, regardless of the operating mode of

the Controller.

Cautions

Wiring

When you connect a computer or other peripheral device to a Communications Coupler

Unit that has a non-isolated DC power supply, either ground the 0-V side of the external

power supply (i.e. Unit power supply) or do not ground it at all.

If the peripheral devices are grounded incorrectly, the external power supply (i.e. Unit

power supply) may be short-circuited.

Never ground the 24-V side of the power supply, as shown in the following figure.

Caution

Peripheral

device (e.g.,

computer)

Non-isolated DC power supply

(internal power circuit)

0 V

Peripheral device

cable

Communications Coupler

Unit

NX Unit power supply

Unit power supply

Ground

terminal

24 V

Safety Precautions

18 NX-series RFID Units User’s Manual (Z401)

Online Editing

Execute online editing only after confirming that no adverse effects will be caused by devia-

tions in the timing of I/O. If you perform online editing, the task execution time may exceed

the task period, I/O may not be refreshed with external devices, input signals may not be

read, and output timing may change.

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Omron NX-Series RFID Units Owner's manual

Omron NX-Series RFID Units Owner's manual

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